Home / 2,882.12-3,977.93-1,885.55

Finding the Fourth Proportional to 2,882.12, 3,977.93 and 1,885.55

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Solution

The fourth proportional to 2,882.12, 3,977.93 and 1,885.55 is: 2,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.12 : 3,977.93 = 1,885.55 : x
  2. Step 2: Convert to fraction form
    2,882.12/3,977.93 = 1,885.55/x
  3. Step 3: Cross multiply
    2,882.12x = 3,977.93 × 1,885.55
  4. Step 4: Simplify right side
    2,882.12x = 7,500,576.48
  5. Step 5: Solve for x
    x = 7,500,576.48/2,882.12
  6. Step 6: Final answer
    x = 2,602.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.